/Engine/Source/Runtime/Engine/Classes/Materials/MaterialFunction.h
Get the inputs and outputs that this function exposes, for a function call expression to use.
virtual void GetInputsAndOutputs ( [TArray](API\Runtime\Core\Containers\TArray)< struct [FFunctionExpressionInput](API\Runtime\Engine\Materials\FFunctionExpressionInput) > & OutInputs, [TArray](API\Runtime\Core\Containers\TArray)< struct [FFunctionExpressionOutput](API\Runtime\Engine\Materials\FFunctionExpressionOutput) > & OutOutputs ) const